<template>
  <el-card shadow="always">
    <div id="div_echarts_tree" style="height: 488px"></div>
  </el-card>

</template>

<script>

  let echarts = require('echarts');
  export default {
    name: "EchartsTree",
    mounted() {
      this.init()
    },

    methods: {

      clickFun:function(param){
    if (typeof param.seriesIndex == 'undefined') {
      return;
    }
    if (param.type == 'click') {
      if(undefined == param.data.children){
        this.$emit('changePage',1)
      }

    }
  },
      init() {

        let treeEchart = echarts.init(document.getElementById('div_echarts_tree'));
        treeEchart.showLoading();
        let data = {
          "name": "flare",
          "children": [
            {
              "name": "analytics",
              "children": [
                {
                  "name": "cluster",
                  "children": [
                    {"name": "AgglomerativeCluster", "value": 3938},
                    {"name": "CommunityStructure", "value": 3812},
                    {"name": "HierarchicalCluster", "value": 6714},
                    {"name": "MergeEdge", "value": 743}
                  ]
                },
                {
                  "name": "graph",
                  "children": [
                    {"name": "BetweennessCentrality", "value": 3534},
                    {"name": "LinkDistance", "value": 5731},
                    {"name": "MaxFlowMinCut", "value": 7840},
                    {"name": "ShortestPaths", "value": 5914},
                    {"name": "SpanningTree", "value": 3416}
                  ]
                },
                {
                  "name": "optimization",
                  "children": [
                    {"name": "AspectRatioBanker", "value": 7074}
                  ]
                }
              ]
            },
            {
              "name": "animate",
              "children": [
                {"name": "Easing", "value": 17010},
                {"name": "FunctionSequence", "value": 5842},
                {
                  "name": "interpolate",
                  "children": [
                    {"name": "ArrayInterpolator", "value": 1983},
                    {"name": "ColorInterpolator", "value": 2047},
                    {"name": "DateInterpolator", "value": 1375},
                    {"name": "Interpolator", "value": 8746},
                    {"name": "MatrixInterpolator", "value": 2202},
                    {"name": "NumberInterpolator", "value": 1382},
                    {"name": "ObjectInterpolator", "value": 1629},
                    {"name": "PointInterpolator", "value": 1675},
                    {"name": "RectangleInterpolator", "value": 2042}
                  ]
                },
                {"name": "ISchedulable", "value": 1041},
                {"name": "Parallel", "value": 5176},
                {"name": "Pause", "value": 449},
                {"name": "Scheduler", "value": 5593},
                {"name": "Sequence", "value": 5534},
                {"name": "Transition", "value": 9201},
                {"name": "Transitioner", "value": 19975},
                {"name": "TransitionEvent", "value": 1116},
                {"name": "Tween", "value": 6006}
              ]
            },
            {
              "name": "data",
              "children": [
                {
                  "name": "converters",
                  "children": [
                    {"name": "Converters", "value": 721},
                    {"name": "DelimitedTextConverter", "value": 4294},
                    {"name": "GraphMLConverter", "value": 9800},
                    {"name": "IDataConverter", "value": 1314},
                    {"name": "JSONConverter", "value": 2220}
                  ]
                },
                {"name": "DataField", "value": 1759},
                {"name": "DataSchema", "value": 2165},
                {"name": "DataSet", "value": 586},
                {"name": "DataSource", "value": 3331},
                {"name": "DataTable", "value": 772},
                {"name": "DataUtil", "value": 3322}
              ]
            },
            {
              "name": "display",
              "children": [
                {"name": "DirtySprite", "value": 8833},
                {"name": "LineSprite", "value": 1732},
                {"name": "RectSprite", "value": 3623},
                {"name": "TextSprite", "value": 10066}
              ]
            },
            {
              "name": "flex",
              "children": [
                {"name": "FlareVis", "value": 4116}
              ]
            },
            {
              "name": "physics",
              "children": [
                {"name": "DragForce", "value": 1082},
                {"name": "GravityForce", "value": 1336},
                {"name": "IForce", "value": 319},
                {"name": "NBodyForce", "value": 10498},
                {"name": "Particle", "value": 2822},
                {"name": "Simulation", "value": 9983},
                {"name": "Spring", "value": 2213},
                {"name": "SpringForce", "value": 1681}
              ]
            },
            {
              "name": "query",
              "children": [
                {"name": "AggregateExpression", "value": 1616},
                {"name": "And", "value": 1027},
                {"name": "Arithmetic", "value": 3891},
                {"name": "Average", "value": 891},
                {"name": "BinaryExpression", "value": 2893},
                {"name": "Comparison", "value": 5103},
                {"name": "CompositeExpression", "value": 3677},
                {"name": "Count", "value": 781},
                {"name": "DateUtil", "value": 4141},
                {"name": "Distinct", "value": 933},
                {"name": "Expression", "value": 5130},
                {"name": "ExpressionIterator", "value": 3617},
                {"name": "Fn", "value": 3240},
                {"name": "If", "value": 2732},
                {"name": "IsA", "value": 2039},
                {"name": "Literal", "value": 1214},
                {"name": "Match", "value": 3748},
                {"name": "Maximum", "value": 843},
                {
                  "name": "methods",
                  "children": [
                    {"name": "add", "value": 593},
                    {"name": "and", "value": 330},
                    {"name": "average", "value": 287},
                    {"name": "count", "value": 277},
                    {"name": "distinct", "value": 292},
                    {"name": "div", "value": 595},
                    {"name": "eq", "value": 594},
                    {"name": "fn", "value": 460},
                    {"name": "gt", "value": 603},
                    {"name": "gte", "value": 625},
                    {"name": "iff", "value": 748},
                    {"name": "isa", "value": 461},
                    {"name": "lt", "value": 597},
                    {"name": "lte", "value": 619},
                    {"name": "max", "value": 283},
                    {"name": "min", "value": 283},
                    {"name": "mod", "value": 591},
                    {"name": "mul", "value": 603},
                    {"name": "neq", "value": 599},
                    {"name": "not", "value": 386},
                    {"name": "or", "value": 323},
                    {"name": "orderby", "value": 307},
                    {"name": "range", "value": 772},
                    {"name": "select", "value": 296},
                    {"name": "stddev", "value": 363},
                    {"name": "sub", "value": 600},
                    {"name": "sum", "value": 280},
                    {"name": "update", "value": 307},
                    {"name": "variance", "value": 335},
                    {"name": "where", "value": 299},
                    {"name": "xor", "value": 354},
                    {"name": "-", "value": 264}
                  ]
                },
                {"name": "Minimum", "value": 843},
                {"name": "Not", "value": 1554},
                {"name": "Or", "value": 970},
                {"name": "Query", "value": 13896},
                {"name": "Range", "value": 1594},
                {"name": "StringUtil", "value": 4130},
                {"name": "Sum", "value": 791},
                {"name": "Variable", "value": 1124},
                {"name": "Variance", "value": 1876},
                {"name": "Xor", "value": 1101}
              ]
            },
            {
              "name": "scale",
              "children": [
                {"name": "IScaleMap", "value": 2105},
                {"name": "LinearScale", "value": 1316},
                {"name": "LogScale", "value": 3151},
                {"name": "OrdinalScale", "value": 3770},
                {"name": "QuantileScale", "value": 2435},
                {"name": "QuantitativeScale", "value": 4839},
                {"name": "RootScale", "value": 1756},
                {"name": "Scale", "value": 4268},
                {"name": "ScaleType", "value": 1821},
                {"name": "TimeScale", "value": 5833}
              ]
            },
            {
              "name": "util",
              "children": [
                {"name": "Arrays", "value": 8258},
                {"name": "Colors", "value": 10001},
                {"name": "Dates", "value": 8217},
                {"name": "Displays", "value": 12555},
                {"name": "Filter", "value": 2324},
                {"name": "Geometry", "value": 10993},
                {
                  "name": "heap",
                  "children": [
                    {"name": "FibonacciHeap", "value": 9354},
                    {"name": "HeapNode", "value": 1233}
                  ]
                },
                {"name": "IEvaluable", "value": 335},
                {"name": "IPredicate", "value": 383},
                {"name": "IValueProxy", "value": 874},
                {
                  "name": "math",
                  "children": [
                    {"name": "DenseMatrix", "value": 3165},
                    {"name": "IMatrix", "value": 2815},
                    {"name": "SparseMatrix", "value": 3366}
                  ]
                },
                {"name": "Maths", "value": 17705},
                {"name": "Orientation", "value": 1486},
                {
                  "name": "palette",
                  "children": [
                    {"name": "ColorPalette", "value": 6367},
                    {"name": "Palette", "value": 1229},
                    {"name": "ShapePalette", "value": 2059},
                    {"name": "SizePalette", "value": 2291}
                  ]
                },
                {"name": "Property", "value": 5559},
                {"name": "Shapes", "value": 19118},
                {"name": "Sort", "value": 6887},
                {"name": "Stats", "value": 6557},
                {"name": "Strings", "value": 22026}
              ]
            },
            {
              "name": "vis",
              "children": [
                {
                  "name": "axis",
                  "children": [
                    {"name": "Axes", "value": 1302},
                    {"name": "Axis", "value": 24593},
                    {"name": "AxisGridLine", "value": 652},
                    {"name": "AxisLabel", "value": 636},
                    {"name": "CartesianAxes", "value": 6703}
                  ]
                },
                {
                  "name": "controls",
                  "children": [
                    {"name": "AnchorControl", "value": 2138},
                    {"name": "ClickControl", "value": 3824},
                    {"name": "Control", "value": 1353},
                    {"name": "ControlList", "value": 4665},
                    {"name": "DragControl", "value": 2649},
                    {"name": "ExpandControl", "value": 2832},
                    {"name": "HoverControl", "value": 4896},
                    {"name": "IControl", "value": 763},
                    {"name": "PanZoomControl", "value": 5222},
                    {"name": "SelectionControl", "value": 7862},
                    {"name": "TooltipControl", "value": 8435}
                  ]
                },
                {
                  "name": "data",
                  "children": [
                    {"name": "Data", "value": 20544},
                    {"name": "DataList", "value": 19788},
                    {"name": "DataSprite", "value": 10349},
                    {"name": "EdgeSprite", "value": 3301},
                    {"name": "NodeSprite", "value": 19382},
                    {
                      "name": "render",
                      "children": [
                        {"name": "ArrowType", "value": 698},
                        {"name": "EdgeRenderer", "value": 5569},
                        {"name": "IRenderer", "value": 353},
                        {"name": "ShapeRenderer", "value": 2247}
                      ]
                    },
                    {"name": "ScaleBinding", "value": 11275},
                    {"name": "Tree", "value": 7147},
                    {"name": "TreeBuilder", "value": 9930}
                  ]
                },
                {
                  "name": "events",
                  "children": [
                    {"name": "DataEvent", "value": 2313},
                    {"name": "SelectionEvent", "value": 1880},
                    {"name": "TooltipEvent", "value": 1701},
                    {"name": "VisualizationEvent", "value": 1117}
                  ]
                },
                {
                  "name": "legend",
                  "children": [
                    {"name": "Legend", "value": 20859},
                    {"name": "LegendItem", "value": 4614},
                    {"name": "LegendRange", "value": 10530}
                  ]
                },
                {
                  "name": "operator",
                  "children": [
                    {
                      "name": "distortion",
                      "children": [
                        {"name": "BifocalDistortion", "value": 4461},
                        {"name": "Distortion", "value": 6314},
                        {"name": "FisheyeDistortion", "value": 3444}
                      ]
                    },
                    {
                      "name": "encoder",
                      "children": [
                        {"name": "ColorEncoder", "value": 3179},
                        {"name": "Encoder", "value": 4060},
                        {"name": "PropertyEncoder", "value": 4138},
                        {"name": "ShapeEncoder", "value": 1690},
                        {"name": "SizeEncoder", "value": 1830}
                      ]
                    },
                    {
                      "name": "filter",
                      "children": [
                        {"name": "FisheyeTreeFilter", "value": 5219},
                        {"name": "GraphDistanceFilter", "value": 3165},
                        {"name": "VisibilityFilter", "value": 3509}
                      ]
                    },
                    {"name": "IOperator", "value": 1286},
                    {
                      "name": "label",
                      "children": [
                        {"name": "Labeler", "value": 9956},
                        {"name": "RadialLabeler", "value": 3899},
                        {"name": "StackedAreaLabeler", "value": 3202}
                      ]
                    },
                    {
                      "name": "layout",
                      "children": [
                        {"name": "AxisLayout", "value": 6725},
                        {"name": "BundledEdgeRouter", "value": 3727},
                        {"name": "CircleLayout", "value": 9317},
                        {"name": "CirclePackingLayout", "value": 12003},
                        {"name": "DendrogramLayout", "value": 4853},
                        {"name": "ForceDirectedLayout", "value": 8411},
                        {"name": "IcicleTreeLayout", "value": 4864},
                        {"name": "IndentedTreeLayout", "value": 3174},
                        {"name": "Layout", "value": 7881},
                        {"name": "NodeLinkTreeLayout", "value": 12870},
                        {"name": "PieLayout", "value": 2728},
                        {"name": "RadialTreeLayout", "value": 12348},
                        {"name": "RandomLayout", "value": 870},
                        {"name": "StackedAreaLayout", "value": 9121},
                        {"name": "TreeMapLayout", "value": 9191}
                      ]
                    },
                    {"name": "Operator", "value": 2490},
                    {"name": "OperatorList", "value": 5248},
                    {"name": "OperatorSequence", "value": 4190},
                    {"name": "OperatorSwitch", "value": 2581},
                    {"name": "SortOperator", "value": 2023}
                  ]
                },
                {"name": "Visualization", "value": 16540}
              ]
            }
          ]
        };

        treeEchart.hideLoading();
        console.log(data);

        echarts.util.each(data.children, function (datum, index) {
          index % 2 === 0 && (datum.collapsed = true);
        });

        treeEchart.on("click", this.clickFun);


        let option = {
          tooltip: {
            trigger: 'item',
            triggerOn: 'mousemove',
            //position: [10, 10],

          },
          series: [
            {
              type: 'tree',

              data: [data],

              top: '4%',
              left: '8%',
              bottom: '4%',
              right: '15%',

              symbolSize: 7,

              label: {
                normal: {
                  position: 'left',
                  verticalAlign: 'middle',
                  align: 'right',
                  fontSize: 9
                }
              },

              leaves: {
                label: {
                  normal: {
                    position: 'right',
                    verticalAlign: 'middle',
                    align: 'left'
                  }
                }
              },

              expandAndCollapse: true,
              animationDuration: 550,
              animationDurationUpdate: 750
            }
          ]
        };
        treeEchart.setOption(option);


      },

    }
  }
</script>

<style scoped>

</style>
